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CVE-2017-0037

8.1
HIGHCVSS v3.1 Base Score
89.10%
HIGH RiskEPSS (100th percentile)
KEV

Microsoft Internet Explorer 10 and 11 and Microsoft Edge have a type confusion issue in the Layout::MultiColumnBoxBuilder::HandleColumnBreakOnColumnSpanningElement function in mshtml.dll, which allows remote attackers to execute arbitrary code via vectors involving a crafted Cascading Style Sheets (CSS) token sequence and crafted JavaScript code that operates on a TH element.

Published: 2/26/2017
Modified: 10/22/2025
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ACTIVELY EXPLOITED IN THE WILD

This vulnerability is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

Vulnerability Name:

Microsoft Edge and Internet Explorer Type Confusion Vulnerability

Vendor / Product:

Microsoft Edge and Internet Explorer

Required Action:

Apply updates per vendor instructions.

Due Date: 4/18/2022(OVERDUE)
Added to KEV:

3/28/2022

Notes:

https://nvd.nist.gov/vuln/detail/CVE-2017-0037

Vulnerability Summary

CVSS v3 Score

8.1HIGH

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2 Score

7.6

AV:N/AC:H/Au:N/C:C/I:C/A:C

EPSS Score (Exploitation Probability)

89.10%HIGH Exploitation Risk
100th percentile

This vulnerability has a 89.10% probability of being exploited in the next 30 days, ranking higher than 100% of all scored CVEs.

CWE Classification

Related Vulnerabilities

Same Weakness Type(CWE-843)

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Similar SeverityHIGH